نتایج جستجو برای: electrochemical properties
تعداد نتایج: 911496 فیلتر نتایج به سال:
Scanning electrochemical cell microscopy (SECCM) was proven to be a prospective microfabrication method for the in situ synthesis and multiscale assembly of functional nanomaterials into microdevices. Nanostructured ZnO thin film was synthesized and assembled by SECCM, which has excellent electrochemical capacitance and electronic I-V properties.
Two series of free-base and manganese N-methyl-pyridylethynyl-5,15-biphenyl porphyrins were synthesized, and their UV-Visible, electrochemical and spectro-electrochemical properties were studied. Cyclic voltammetry experiments showed positive shifts in the reduction potentials and the UV-Visible spectra showed significant red-shifts in the absorption wavelengths of these porphyrins, indicating ...
The synthesis of boron subphthalocyanines (BsubPc) from modified phthalonitriles is reported. The BsubPcs have intense red-shifted absorption compared to normal BsubPcs and readily tuneable optoelectronic properties including enhanced electrochemical stability and the presence of up to two reversible electrochemical reductions.
SWNT-porphyrin/phthalocyanine conjugates are described and fully characterised; their optical and electrochemical properties are investigated.
The synthesis of a 2'-deoxyuridine nucleoside linked to an anthraquinone moiety, and its incorporation into oligonucleotides are described, including a facile oxidative demethylation with phenyliodine(iii) bis(trifluoroacetate) to reveal the anthraquinone motif. Furthermore, some useful physical and electrochemical properties of the obtained oligonucleotide are also reported, which allow its pr...
A series of pyrene-centered starburst oligocarbazoles (1-3) have been synthesized and well characterized. Based on photophysical, thermal and electrochemical studies in solutions and as thin films, all starburst molecules reveal a sky blue emission with a high efficiency (Φ(F) = 0.99-0.81) and excellent thermal and electrochemical stabilities. As OLED materials, these superior properties are he...
mirage effect is contactless and non destructive method which has been used a lot to determine thermal properties of different kind of samples , transverse photothermal deflection ptd in skimming configuration with ccd camera and special programs is used to determine thermal conductivity of porous silicon ps film. ps samples were prepared by electrochemical etching. thermal conductivity wit...
The underpotential deposition(UPD) phenomena is very interesting not only because of its fundamental importance but also due to its noticeable growing impact on the material science. The amazing possibility of control the deposition process down to monolayer results in new kind of materials with different properties than bulk ones embracing they catalytic, electronic or magnetic properties. Exc...
The acid treatment of a ruthenabenzene yielded an unusual dialdehyde. Interestingly, this dialdehyde has notable anti-oxidative properties and resists even nitric acid. This stability is confirmed by chemical and electrochemical experiments. In addition, a stable cyclic anhydride is synthesized from the dialdehyde via an environmentally friendly electrochemical method.
Highly dense arrays of ordered and aligned nanorods of polyaniline with 10 nm diameter on transparent ITO substrate have been successfully fabricated using supramolecular assemblies of block copolymer as scaffold material; the ordered arrays of polyaniline nanorods so fabricated were found to exhibit excellent electrochemical properties with an electrochemical capacitance value of 3407 F g(-1).
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